EP1229372A3 - Ensemble d'objectif varifocale à dispositif de mise au point - Google Patents

Ensemble d'objectif varifocale à dispositif de mise au point Download PDF

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Publication number
EP1229372A3
EP1229372A3 EP02250038A EP02250038A EP1229372A3 EP 1229372 A3 EP1229372 A3 EP 1229372A3 EP 02250038 A EP02250038 A EP 02250038A EP 02250038 A EP02250038 A EP 02250038A EP 1229372 A3 EP1229372 A3 EP 1229372A3
Authority
EP
European Patent Office
Prior art keywords
zoom lens
lens assembly
adjustment mechanism
focus adjustment
lens group
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP02250038A
Other languages
German (de)
English (en)
Other versions
EP1229372A2 (fr
Inventor
Ping-Yim Cheung
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1229372A2 publication Critical patent/EP1229372A2/fr
Publication of EP1229372A3 publication Critical patent/EP1229372A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Lenses (AREA)
EP02250038A 2001-01-31 2002-01-04 Ensemble d'objectif varifocale à dispositif de mise au point Withdrawn EP1229372A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/774,076 US6529338B2 (en) 2001-01-31 2001-01-31 Zoom lens assembly with focus adjustment mechanism
US774076 2001-01-31

Publications (2)

Publication Number Publication Date
EP1229372A2 EP1229372A2 (fr) 2002-08-07
EP1229372A3 true EP1229372A3 (fr) 2004-04-07

Family

ID=25100179

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02250038A Withdrawn EP1229372A3 (fr) 2001-01-31 2002-01-04 Ensemble d'objectif varifocale à dispositif de mise au point

Country Status (3)

Country Link
US (1) US6529338B2 (fr)
EP (1) EP1229372A3 (fr)
CN (2) CN2531407Y (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6914729B2 (en) * 2002-02-07 2005-07-05 Olympus Corporation Lens barrel and picture taking apparatus having the same
TWI274928B (en) * 2003-09-22 2007-03-01 Alps Electric Co Ltd Focal point adjustment device
JP2006201639A (ja) * 2005-01-24 2006-08-03 Citizen Electronics Co Ltd カメラ用ズームユニット及びカメラ
CN101153949B (zh) * 2006-09-29 2011-07-27 鸿富锦精密工业（深圳）有限公司 相机模组及便携式电子装置
JP5030263B2 (ja) * 2006-11-13 2012-09-19 オリンパスイメージング株式会社 ズームレンズ
TWI385412B (zh) * 2008-10-09 2013-02-11 Asia Optical Co Inc Adjustable lens group and lens module
JP2012063379A (ja) * 2010-09-14 2012-03-29 Toshiba Corp フォーカス調整装置
TWI486665B (zh) * 2013-05-03 2015-06-01 Sintai Optical Shenzhen Co Ltd 光學裝置
CN109529154A (zh) * 2018-12-14 2019-03-29 深圳恩多克医疗有限公司 一种新型多段沉筒式胰岛素泵推进机构
CN111856698A (zh) * 2020-08-19 2020-10-30 新思考电机有限公司 驱动结构、驱动装置及电子设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0344806A2 (fr) * 1988-06-03 1989-12-06 Asahi Kogaku Kogyo Kabushiki Kaisha Mécanisme de commande pour un objectif zoom
EP0634680A2 (fr) * 1993-07-15 1995-01-18 Minolta Co., Ltd. Mécanisme d'un objectif zoom
US5765048A (en) * 1996-01-26 1998-06-09 Asahi Kogaku Kogyo Kabushiki Kaisha Telescoping type of zoom lens and cam mechanism therefor
US6115190A (en) * 1998-10-02 2000-09-05 Canon Kabushiki Kaisha Zoom lens barrel

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4890132A (en) 1987-03-26 1989-12-26 Asahi Kogaku Kogyo Kabushiki Kaisha Manual control apparatus of zoom lens barrel for an auto focus camera
JP2782636B2 (ja) * 1990-02-26 1998-08-06 富士写真フイルム株式会社 ビデオカメラ
US5373397A (en) * 1992-01-08 1994-12-13 Olympus Optical Co. Ltd. Lens barrel of short length having the capability of a large zooming magnification and a zoom lens capable of a large forward movement
JP3568307B2 (ja) * 1996-01-24 2004-09-22 オリンパス株式会社 レンズ鏡筒のカム機構
JP3736085B2 (ja) 1997-11-26 2006-01-18 コニカミノルタフォトイメージング株式会社 ズーム鏡胴
US6151171A (en) 1999-03-31 2000-11-21 Eastman Kodak Company Zoom assembly having zoom lens with plurality of lens group that move together or differentially for zooming and focusing

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0344806A2 (fr) * 1988-06-03 1989-12-06 Asahi Kogaku Kogyo Kabushiki Kaisha Mécanisme de commande pour un objectif zoom
EP0634680A2 (fr) * 1993-07-15 1995-01-18 Minolta Co., Ltd. Mécanisme d'un objectif zoom
US5765048A (en) * 1996-01-26 1998-06-09 Asahi Kogaku Kogyo Kabushiki Kaisha Telescoping type of zoom lens and cam mechanism therefor
US6115190A (en) * 1998-10-02 2000-09-05 Canon Kabushiki Kaisha Zoom lens barrel

Also Published As

Publication number Publication date
EP1229372A2 (fr) 2002-08-07
CN2531407Y (zh) 2003-01-15
US20020114083A1 (en) 2002-08-22
US6529338B2 (en) 2003-03-04
CN1204432C (zh) 2005-06-01
CN1369725A (zh) 2002-09-18

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